Wiki Bicycle » Shimano » RD-7970
Information from: www.shimano.com.
Dura-Ace Di2 Rear Derailleur. Through SEIS, the electronic rear derailleur is the fastest & most precise shifting available for the road. In addition, the carbon pulley plate is lightweight and rigid while adding a dash of style.
Features
Specifications
Average Weight: 225g
Inner Plate: Carbon
Outer Plate: Carbon
Link Pin Bushings: -
Inner Link: Aluminum
Outer Link: Aluminum
Plate Pivot Seal: -
Plate Body: Engineering Composite
Bracket Pivot Seal: -
Bracket Body: Aluminum
Tension Pulley: -
Guide Pulley: -
Total Capacity: 32 teeth or less
Maximum Front Difference: 16 teeth or less
Minimum Sprocket: 11T
Maximum Sprocket: 27T
Cassette Compatibility: 10-speed
Series: DURA-ACE
Model Number: RD-7970